MAGIC equ 0x600db007 ; Popcorn OS header magic number section .header align 4 global _header _header: dd MAGIC ; Kernel header magic dw 1 ; Header version 1 dw 1 ; Kernel header length db VERSION_MAJOR ; Kernel version db VERSION_MINOR dw VERSION_PATCH dd VERSION_GITSHA dq _start ; Kernel entrypoint section .text align 16 global _start:function (_start.end - _start) _start: cli extern kernel_main call kernel_main cli .hang: hlt jmp .hang .end: global interrupts_enable interrupts_enable: sti ret global interrupts_disable interrupts_disable: cli ret